Revert "Temporarily disable Travis CI tests against libtorrent 1.0.x until #1878 is resolved."

This reverts commit 7029f4dcd2.

.travis.yml

@@ -9,8 +9,8 @@ env:
   # use libtorrent 0.16.X from RC_0_16 svn branch
   - lt_source=from_svnRC_0_16 gui=true
   - lt_source=from_svnRC_0_16 gui=false
-  #- lt_source=from_svnRC_1_0 gui=true
-  #- lt_source=from_svnRC_1_0 gui=false
+  - lt_source=from_svnRC_1_0 gui=true
+  - lt_source=from_svnRC_1_0 gui=false
 
 branches:
   except:
@@ -49,7 +49,7 @@ before_install:
 install:
   #- if [[ "$lt_source" == "from_dist" ]]; then sudo apt-get -qq install libtorrent-rasterbar-dev; fi
   - if [[ "$lt_source" == "from_svnRC_0_16" ]]; then cd .. && svn co svn://svn.code.sf.net/p/libtorrent/code/branches/RC_0_16 ./libtorrent && (cd libtorrent && ./autotool.sh && ./configure $ltconf && sudo make install) && sudo ldconfig /usr/local/lib && cd $TRAVIS_BUILD_DIR ; fi
-  #- if [[ "$lt_source" == "from_svnRC_1_0" ]]; then cd .. && svn co svn://svn.code.sf.net/p/libtorrent/code/branches/RC_1_0 ./libtorrent && (cd libtorrent && ./autotool.sh && ./configure $ltconf && sudo make install) && sudo ldconfig /usr/local/lib && cd $TRAVIS_BUILD_DIR ; fi
+  - if [[ "$lt_source" == "from_svnRC_1_0" ]]; then cd .. && svn co svn://svn.code.sf.net/p/libtorrent/code/branches/RC_1_0 ./libtorrent && (cd libtorrent && ./autotool.sh && ./configure $ltconf && sudo make install) && sudo ldconfig /usr/local/lib && cd $TRAVIS_BUILD_DIR ; fi
 
 script:
   - ./bootstrap.sh