Fix inconsistencies and grammar in various files

contrib/README.md

@@ -35,7 +35,7 @@ PGP keys used for signing Bitcoin Core [Gitian release](/doc/release-process.md)
 Scripts and notes for Mac builds. 
 
 ### [RPM](/contrib/rpm) ###
-RPM spec file for building bitcoin-core on RPM based distributions
+RPM spec file for building bitcoin-core on RPM based distributions.
 
 ### [Gitian-build](/contrib/gitian-build.sh) ###
 Script for running full Gitian builds.

contrib/bitcoind.bash-completion

@@ -30,7 +30,7 @@ _bitcoind() {
             ;;
         *)
 
-            # only parse -help if senseful
+            # only parse -help if sensible
             if [[ -z "$cur" || "$cur" =~ ^- ]]; then
                 local helpopts
                 helpopts=$($bitcoind -help 2>&1 | awk '$1 ~ /^-/ { sub(/=.*/, "="); print $1 }' )

contrib/gitian-build.sh

@@ -40,15 +40,15 @@ version		Version number, commit, or branch to build. If building a commit or bra
 Options:
 -c|--commit	Indicate that the version argument is for a commit or branch
 -u|--url	Specify the URL of the repository. Default is https://github.com/bitcoin/bitcoin
--v|--verify 	Verify the gitian build
--b|--build	Do a gitian build
+-v|--verify 	Verify the Gitian build
+-b|--build	Do a Gitian build
 -s|--sign	Make signed binaries for Windows and Mac OSX
 -B|--buildsign	Build both signed and unsigned binaries
 -o|--os		Specify which Operating Systems the build is for. Default is lwx. l for linux, w for windows, x for osx
 -j		Number of processes to use. Default 2
 -m		Memory to allocate in MiB. Default 2000
 --kvm           Use KVM instead of LXC
---setup         Setup the gitian building environment. Uses KVM. If you want to use lxc, use the --lxc option. Only works on Debian-based systems (Ubuntu, Debian)
+--setup         Set up the Gitian building environment. Uses KVM. If you want to use lxc, use the --lxc option. Only works on Debian-based systems (Ubuntu, Debian)
 --detach-sign   Create the assert file for detached signing. Will not commit anything.
 --no-commit     Do not commit anything to git
 -h|--help	Print this help message

contrib/gitian-descriptors/README.md

@@ -1,4 +1,4 @@
-### Gavin's notes on getting gitian builds up and running using KVM
+### Gavin's notes on getting Gitian builds up and running using KVM
 
 These instructions distilled from
 [https://help.ubuntu.com/community/KVM/Installation](https://help.ubuntu.com/community/KVM/Installation).

contrib/gitian-keys/README.md

@@ -3,7 +3,7 @@ PGP keys
 
 This folder contains the public keys of developers and active contributors.
 
-The keys are mainly used to sign git commits or the build results of gitian
+The keys are mainly used to sign git commits or the build results of Gitian
 builds.
 
 You can import the keys into gpg as follows. Also, make sure to fetch the

contrib/init/bitcoind.conf

@@ -35,7 +35,7 @@ pre-start script
         echo
         echo "bash -c 'tr -dc a-zA-Z0-9 < /dev/urandom | head -c32 && echo'"
         echo
-        echo "It is also recommended that you also set alertnotify so you are "
+        echo "It is recommended that you also set alertnotify so you are "
         echo "notified of problems:"
         echo
         echo "ie: alertnotify=echo %%s | mail -s \"Bitcoin Alert\"" \

contrib/init/bitcoind.openrc

@@ -81,7 +81,7 @@ checkconfig()
 		eerror ""
 		eerror "bash -c 'tr -dc a-zA-Z0-9 < /dev/urandom | head -c32 && echo'"
 		eerror ""
-		eerror "It is also recommended that you also set alertnotify so you are "
+		eerror "It is recommended that you also set alertnotify so you are "
 		eerror "notified of problems:"
 		eerror ""
 		eerror "ie: alertnotify=echo %%s | mail -s \"Bitcoin Alert\"" \