limit the number of requests and enable fetch more feature  #488
fix TangleActivity #488
Merge branch 'develop' of https://github.com/ndomar/megasoft-14 into C3_farghal_#33_loadMore

Conflicts:
	Entangle/entangle-android/src/com/megasoft/entangle/megafragments/TangleFragment.java
Merge branch 'C3_farghal_#33_loadMore' of https://github.com/ndomar/megasoft-14 into C3_farghal_#33_loadMore

Conflicts:
	Entangle/entangle-android/res/layout/activity_tangle.xml
	Entangle/entangle-android/src/com/megasoft/entangle/megafragments/TangleFragment.java
fix a bugs in load more
remove the button if the steram is empty and fix bugs #488
add documentation  #488
fix documentation  #488
Merge branch 'develop' of https://github.com/ndomar/megasoft-14 into C3_farghal_#33_loadMore
Conflicts:
	Entangle/entangle-android/src/com/megasoft/entangle/megafragments/TangleFragment.java
Merge pull request #534 from ndomar/C3_farghal_#33_loadMore

s[33]: load more